Bullet-proof steel alloy is prepared by using

Which of the following ions indicates the maximum magnetic moment?

Name the periodic element,which does not show variable oxidation states.

Which among the following properties is $\underline{NOT}$ exhibited by transition elements?

The increase in the atomic radii of the third $(5d)$ series of transition elements is very small, which may be accounted for by the filling of '$X$' orbitals before '$Y$' orbitals. $X$ and $Y$ are:

Which of the following is the general electronic configuration of transition elements?